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Help with HC deficiency

Discussion in 'Aquatic Plants' started by Tsunami35, Sep 26, 2008.

  1. Tsunami35

    Tsunami35 New Member

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    Jun 20, 2008
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    Location:
    Davis, CA
    I am growing hc in my 10g tank, ive noticed many of the leaves turning yellow. It appears to be mostly older leaves that are affected. What is the most probable cause?

    tank info:
    10g
    80W 6700/10000k cfl
    flourite black sand
    dry ferts dosed at seachem flourish strength

    You might notice the hair algae problem too:
    [​IMG]
    [​IMG]
     
  2. eskeryon

    eskeryon New Member

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    Location:
    Cebu City
    I am encountering the same problem right now with my HC. Could anybody help us?
     
  3. Bunbuku

    Bunbuku New Member

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    Could be a deficiency of multiple things. Can you be more specific as to what ferts you are using? Seachem Flourish is mostly micros. You might need more N and K for instance.

    BTW are you supplementing with CO2 or Excel?

    Nothing beats Amano shrimp for algae cleanup!
     
  4. eskeryon

    eskeryon New Member

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    Cebu City
    Actually my HC is emersed. I sprayed water every morning and it is placed under a tree with then foliage. Initially I have 2 basins of healthy HCs and utilized one basin for my nano tank but the other basin later have HCs whose leaves are now yellow.
     
  5. John N.

    John N. Administrator Staff Member

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    Oct 30, 2007
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    Location:
    California
    Were the leaves covered up by new growth that you recently trimmed off? The light could have been blocked in those areas, and therefore that would be the problem.

    The other probably cause is not enough Potassium (K), indicative by the yellow/browning leaves. The hair algae issue is probably due to too much light in the tank overall.

    -John N.
     
  6. Tsunami35

    Tsunami35 New Member

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    Location:
    Davis, CA
    I have reduced the lighting from 80 to 40 watts to try to eliminate the algae problem, and slow down grown to help stop deficiencies. CO2 is pressurized. Im dosing all macros, but I think that with the high light I just wasnt dosing enough. Ive got an army of RCS that im waiting to put in, but after 3 months the tank still isnt cycled.. Hopefully they will eventually help with the algae problem too..

    Thanks
     
  7. StanChung

    StanChung Aspiring Aquascaper

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    Location:
    Kuala Lumpur>Malaysia
    Old leaves turn yellow. A few hungry Amano shrimps would help clean up IMHO.
     

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